Фигура образована путём вырезания фигуры с параметрами a и d (площадью размером a*d) из фигуры с параметрами b и c (площадью размером b*c). Таким образом, площадь полученной фигуры можно рассчитать как b*c - a*d.
35/100*10=3,5 или 35/10=3,5
80/100*10=8
100/100*10=10
16/100*25=4 или 16:4=4
84/100*25=21
120/100*25=30
45*100:20=225
30,8*100:20=154
6*100:20=30
9*100:75=12
67,5*100:75=90
18*100:75=24
|21+7*(-2)|+3*3=|21-14|+9=7+9=16
<span>Nick had to be at the airport at 6.30 in the morning. He ______ 1) (order) a taxi beforehand to pick him up at 5 o’clock. But the driver of the taxi ______ 2) (work) late the previous night and he _______ 3) (oversleep).Nick _____ 4) (wait) for three hours in vain. He _____ 5) (swear) quietly and went to switch the electric kettle. He ________ 6) (pour) water into the kettle when the eight o’clock pips ______ 7) (sound) on the radio. The announcer began to read the news. ”Reports _____8) (come) in of a crash near Heathrow Airport. A Boeing 707 _____ 9) (crash) shortly after taking off this morning. Flight number 8552….”.Nick turned pale.</span>